Arrived in Kutna Hora, which thanks to the prosperous of silver mines, became one of the richest towns of Bohemian Kingdom in the Middle Ages. Its former wealth is today reflected in the variety of architectural monuments which include the  unique Ossuary in Sedlec (Bone Church). This church (chapel) is decorated with more than 40 000 human bones arranged into a chandelier.  The historical centre full of beautiful gothic, renaisance and baroque buildings protected by UNESCO.